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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
पर्याय
slow process
fast process
natural process
none of the above
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उत्तर
fast process
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संबंधित प्रश्न
What do you observe when :
a spoon of sugar is heated in a pan
State whether the following is physical or chemical changes.
Boiling of an egg —
True or false?
In a chemical change, rearrangement of molecules and atoms involves some energy changes.
Fill in the blank
An earthquake is a _______ change.
Chemical changes are accompanied by changes in energy.
What role does energy play in initiating a chemical change ?
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Bursting of a cracker.
Under which different types can the following changes be classified?
Occurrence of an earthquake.
How can a change occur in a substance?
